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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Tekno : Jurnal Teknologi Elektro dan Kejuruan Teknologi dan Kejuruan: Jurnal teknologi, Kejuruan dan Pengajarannya Jurnal Pendidikan Teknologi dan Kejuruan Pedagogi: Jurnal Ilmu Pendidikan Tengkawang : Jurnal Ilmu Kehutanan KALAM CENDEKIA PGSD KEBUMEN JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Jurnal Kedokteran Brawijaya Jurnal Penelitian Pendidikan Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik JURNAL JPSD (Jurnal Pendidikan Sekolah Dasar) ANIDA : Aktualisasi Nuansa Ilmu Dakwah Proceeding of the Electrical Engineering Computer Science and Informatics PEMBELAJAR: Jurnal Ilmu Pendidikan, Keguruan, dan Pembelajaran Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control al-Afkar, Journal For Islamic Studies Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) JURNAL EKONOMI EQIEN - JURNAL EKONOMI DAN BISNIS Multitek Indonesia : Jurnal Ilmiah Social, Humanities, and Educational Studies (SHEs): Conference Series Jurnal Teknologi Informasi dan Pendidikan Indonesian Journal of Accounting and Governance Jurnal Ilmiah Profesi Pendidikan Frontier Energy System and Power Engineering INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Journal of Electrical Vocational Education and Technology Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat Jurnal Vokasi Informatika (JAVIT) Journal of English Language and Education Borobudur Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI) Empiricism Journal Bulletin of Community Engagement ALINIER: Journal of Artificial Intelligence & Applications Jurnal Ilmu Pendidikan Sekolah Dasar Ilmu Komputer untuk Masyarakat SinarFe7 Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Jurnalku INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Al Basirah International Journal of Islamic Thought and Humanities E-JRM JS (Jurnal Sekolah) Jurnal Inovasi Teknologi dan Edukasi Teknik Bulletin of Social Informatics Theory and Application ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Academic Hospital Journal Journal Of Economic Sciences (Ekuisci) Jurnal Kewirausahaan dan Bisnis Penelitian Gizi dan Makanan (The Journal of Nutrition and Food Research) Indonesian Journal of Accounting and Governance
Yuni Rahmawati
Universitas Negeri Malang
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Journal : Frontier Energy System and Power Engineering

 1 
Linear Trend Application on the Estimated Age of Distribution Transformer Based on the Load Growth and Environmental Temperature Azhar, Fadly; Rahmawati, Yuni; Fadlika, Irham
Frontier Energy System and Power Engineering Vol 1, No 2 (2019): JULY
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (564.927 KB) | DOI: 10.17977/um049v1i2p7-12

Abstract

This research aimed to find the age loss of distribution transformer based on the load growth and ambient temperature to predict the remaining age of the transformer. This research used the remaining estimation age calculation based on load growth that was predicted using the linear trend analysis. The distribution transformer in this research was the BO043 200 kVA, installed in 2012, and was operated in Bolo Feeder, Woha District, Bima Regency. The results showed that the BO043 transformer was operating at the average ambient temperature of 28℃ with the optimum loading threshold of 92.77% from its power rating. The transformer would experience age reduction if the load given were above that value. The calculation results showed that the BO043 transformer had the estimated remaining age of 4 years from the standard 23 years with the 2019 load prediction of 83.39% and up to 115.94% load prediction in 2022.
Evaluation of Unbalanced Load Impacts on Distribution Transformer Performances Agung Pratama, Nurul; Rahmawati, Yuni
Frontier Energy System and Power Engineering Vol 2, No 1 (2020): JANUARY
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (268.07 KB) | DOI: 10.17977/um049v2i1p28-35

Abstract

Distribution transformers are useful as converters of electrical energy from higher to lower voltage levels. These parts also contribute to feeding energy to consumers. Technically, these transformers are required by many operational constraints. In general, the voltage drop should not exceed 5 % while the current imbalance should not exceed 10 %. In fact, these conditions are depended on the system performances. These works are addressed to explore these requirements based on operational power loading. Moreover, these studies are also focused on voltage and current profiles which are assessed to evaluate and maintain the quality of power transformers on the distribution system. Moreover, the evaluation is also concerned with unbalanced load impacts on transformer performances. Results show that voltage and current qualities are not meet the standards of the electricity system. The highest voltage condition is 237 volt while the unbalanced factor is over 2 % for each phase and the highest imbalance factor is covered in 7.73 %. The highest current imbalance factor reaches 41.9 % with various individual unbalance impacts.
Load Impact Analysis Towards Power Loss in Distribution Substation in Wlingi District Setyawan, Tony Agus; rahmawati, yuni
Frontier Energy System and Power Engineering Vol 1, No 1 (2019): JANUARY
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (390.161 KB) | DOI: 10.17977/um049v1i1p27-33

Abstract

This research aimed to find: (1) the distribution substations configuration in Kesamben Feeder, Wlingi District, (2) how much was the loading in those distribution substations, (3) how much load imbalance in the distribution substation’s load, and (4) how much was the power loss towards the imbalance load. This research used descriptive analysis by analyzing the loading imbalance towards the power loss of distribution substation in one feeder. The results showed that the higher percentage of loading imbalance meant higher power loss. However, although an imbalance percentage was more significant than a smaller percentage, the power loss that occurred might be more substantial due to the probable higher loading percentage so that the power loss in the substation was also influenced by the loading value, apart from the load imbalance.
Co-Authors A'ini, Qurrotul A.N. Afandi Achmad Agus Priyono Achmad Safi’i Adam Hidayatullah Afandi, AN Afandi, Arif Afif Maruf Agung Pratama, Nurul Agung Sucipto, Putra Wisnu Agus Hery Supadmi Irianti Agustina, Triya Aisha Ariestya Nanda Aji Prasetya Wibawa Al Afrin Uwais, Tito Alfarizki, Muhamad Bintang Alief Noor Farida Amir Kurniawan Amir Kurniawan Amrie Firmansyah andi hermawan Anggara, Aris Anik Nur Handayani Apriandi, Devy Widya Ardiarahman, Gusti Arif Afandi Aripriharta - Ashshiddiqi, Dimas Jundan Atmadji, Tri Aulia, Shafa T. Ayu Permata Sari Ayu Permata Sari Bagaskoro, Muhammad Cahyo Bayu Triyo Prihatin Bustanur Bustanur Bustanur, Bustanur Cahyono, Setiadi Danang Arengga Wibowo Dandi Putra Darmawan, Didit Darmawan David Anggara Putra Dendi Mukti Putranto DIAH PERMATA SARI, DIAH PERMATA Dian Indah Hariani Dila Umnia Soraya Dimas Andrian Islachulchoir Dimas Putra Pibadi Dito Valentino Dityo Kreshna Argeshwara Dwi Mega Martasari Dwi Septian, Fachur Rozy Dyah Lestari Fachur Rozy Dwi Septian Fadly Azhar Farrel Candra WA Fazlur Rahman Addakhil, Muhammad Ferina Intan Lusia Fido Arya Kusuma Fiqhy Isrofil Firman Syarif, Rangga Fitri Fitri, Shofiana Fitriyah Fitriyah Guyub Raharjo Hadayana, Irhamdayanti Haqiqi, Ahmad Faiz Risvan Hari Putranto Harianja, Candra Friyandi Harijono Ahmad Hasna Aisyah Rastiadi Heru Wahyu Herwanto Hidayatullah, Adam Husniati Husniati, Husniati I Aisyahis Siti I Made Wirawan Imelda Rara Rahmawati Ina Kusrini Ira Kumalasari Ira Kumalasari Irham Fadlika Irianti, Wahyu Sakti G Irianto, Gunawan Islachulchoir, Dimas Andrian Isrofil, Fiqhy Jamili Jamili Joumil Aidil Saifuddin Juandra Juandra Juandra, Juandra Kaki, Gregorius Paulus Mario Laka Kartika, Tita Kholifah, Annisa Dwi Nur Kholifah, Annisa Dwi Nur Kornelius Kamargo/Irawan Dwi Wahyono Kornelius Kamargo Langlang Gumilar Lubis, Natalia Lusia, Ferina Intan M Agus Salim M. Farrel Akbar Firzatullah Mahakam Lesmono Aji, Irwan Mahmuda, Oktaviana Makbul Muksar Maruf, Afif Maya Lestari Maya Lestari, Maya Maysaroh Maysaroh Melta Dhemahestri Melta Dhemahestri Michiko Ryuu Sakura A Mohamad Samsudin Mohammad Husein An Nabawi Mohammad Yussril Asri Mokthar, Norrima binti Mufti, Aya Shofia Muhamad Parhan Muhammad Firman Ristiawansyah Muhammad Irfan Hilmi Mukti Putranto, Dendi Muladi Ningsih, Suwita Niswatul Islamiyah Noor , Zaka M. Nur Halim Nurochman, Maman Nurul Agung Pratama Nurul Agung Pratama Nuryana, Adhitya Oktavia Sulistina Oktaviana Mahmuda Omar, Saodah Pajri, Nirwan Peggy Gilang Pratama Pibadi, Dimas Putra Pompong B. Setiadi Pramesti, Fadila Claudia Prayogi, Danang Prihatin, Bayu Triyo Purwatiningsih, Ayu Putra, Dandi Putra, David Anggara Putri Intan Rahayu Putri, Nuramalia Putri, Sudriyanti Rachmad Hidayat Raden Mohamad Herdian Bhakti Rahayu, Putri Intan Rahman, Aiza Rahnita Nuzulah Rajaminsah Ramadan, Bimastyaji Surya Ramadani, Bakhrul Mukhid Fadilah Rasyda, Thriskadewi Umi Rizka Rahmi Saputri Rosmin, Norzanah Rustam Efendi Sakti Gunawan Irianto, Wahyu Sakura A, Michiko Ryuu Samsul Hidayat Samsul Hidayat Saputri, Rizka Rahmi Sassabila, Intan Setiadi Cahyono Putri Setiadi Cahyono Putro Setyawan, Tony Agus Sheila Ramadani Shofiana Fitri Sias, Quota Alief Singgih Bektiarso Siti Fatimah SITI NURJANAH Siti Sendari Slamet Wibawanto Soraya Norma Mustika SRI RAHAYU Sri Sunarti Sujito Sujito Sumardi Sunarsih Sunarsih Susilowati Susilowati Suwasono Suwasono Syaputra, Ahmad Tonny Syifa Mustika Tri Atmadji Triya Agustina Umi Rasyda, Thriska Dewi Viky Yosia Priambodo Viky Yosia Priambodo, WA, Farrel Candra Wahyu Brian Pranama Wahyu Sakti Gunawan Irianto Wibowo, Danang Arengga Wibowo, Fauzy Satrio Widayanti, Elis Yasir ", Yasir Yogi Dwi Mahandi Yohan Ardiansyah Yuli Soesetio Yuliana Ambarwati Yunis Sulistyorini Yunis Sulistyorini, Yunis Zamroni Zidan, Rahmat